Finding the Fourth Proportional to 509,812.80, 703,539.36 and 283,444.80
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Solution
The fourth proportional to 509,812.80, 703,539.36 and 283,444.80 is: 391,152.54
Step by Step Solution
- Step 1: Write the proportion equation
509,812.80 : 703,539.36 = 283,444.80 : x - Step 2: Convert to fraction form
509,812.80/703,539.36 = 283,444.80/x - Step 3: Cross multiply
509,812.80x = 703,539.36 × 283,444.80 - Step 4: Simplify right side
509,812.80x = 199,414,573,187.33 - Step 5: Solve for x
x = 199,414,573,187.33/509,812.80 - Step 6: Final answer
x = 391,152.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.